10-Day Weather Forecast - Port Jefferson Station, NY

Mostly sunny. Highs around 80. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.

Mostly cloudy. A chance of showers and thunderstorms in the evening then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Southwest winds 5 to 10 mph. Chance of rain 30 percent.

Partly sunny. A slight chance of showers in the morning. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.

Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s. Southwest winds 5 to 10 mph.

Partly sunny. A chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40 percent.

Mostly cloudy. A chance of showers in the evening. Lows in the lower 50s. Chance of rain 40 percent.

Partly sunny. Highs in the lower 60s.

Mostly cloudy. Lows in the upper 40s.

Mostly cloudy. A chance of showers. Highs in the lower 60s. Chance of rain 50 percent.

Mostly cloudy. A chance of showers. Lows in the lower 40s. Chance of rain 50 percent.

Partly sunny. A chance of showers in the morning. Highs in the lower 50s. Chance of rain 30 percent.

Partly cloudy in the evening then becoming mostly clear. Lows in the mid 30s.

Sunny. Highs in the lower 50s.

Mostly clear. Low temperature around 44F. Dew point will be around 36F with an average humidity of 67%. Winds will be 9 mph from the SW.

Mostly cloudy. High temperature around 67F. Dew point will be around 45F with an average humidity of 58%. Winds will be 7 mph from the SW.

Partly cloudy. Low temperature around 46F. Dew point will be around 43F with an average humidity of 77%. Winds will be 4 mph from the NW.

Sunny. High temperature around 67F. Dew point will be around 44F with an average humidity of 57%. Winds will be 3 mph from the NW.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 46F. Dew point will be around 41F with an average humidity of 71%. Winds will be 1 mph from the S.